This base directory contains sub-directories for the RabbitMQ server’s Mnesia database files, one for each node, unless RABBITMQ_MNESIA_DIR is set explicitly. (In addition to Mnesia files this location also contains message storage and index files as well as schema and cluster details.)

RABBITMQ_MNESIA_DIR

The directory where this RabbitMQ node’s Mnesia database files are placed. (In addition to Mnesia files this location also contains message storage and index files as well as schema and cluster details.)

RABBITMQ_LOG_BASE

This base directory contains the RabbitMQ server’s log files, unless RABBITMQ_LOGS or RABBITMQ_SASL_LOGS are set explicitly.

RABBITMQ_LOGS

The path of the RabbitMQ server’s Erlang log file. This variable cannot be overridden on Windows.

RABBITMQ_SASL_LOGS

The path of the RabbitMQ server’s Erlang SASL (System Application Support Libraries) log file. This variable cannot be overridden on Windows.

Generic Unix Default Locations

These are the defaults obtained when unpacking the Generic Unix tar-file and running the server without modification. In this table $RABBITMQ_HOME refers to the directory rabbitmq_server-3.5.4 produced when unpacking the download.